镜头下的物理之美：博纳学子勇闯美国物理摄影大赛全国50强！​

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This photo was taken on February 11, 2025 in Switzerland, I named it The Veil of Light. While driving from Milan to St. Moritz, I came across this beauty created by the scattering of light colors. The mountain in the picture is one of the famous Alpine peaks. In the evening, as the setting sunlight pours through the clouds and over the snow-covered mountains, a golden-pink glow spreads across the sky. This is due to the interaction between the sun's rays and the molecules and tiny particles in the Earth's atmosphere. As sunlight enters the atmosphere, it encounters particles with much smaller wavelengths than visible light. This causes the shorter wavelengths of blue and violet light to scatter in all directions, while the longer wavelengths of red and orange light continue to travel forward. This phenomenon is even more pronounced at sunset, when blue and violet light are scattered, leaving only the longer wavelengths of red, orange and pink light to pass through. As a result, the snow-covered mountains are also colored in this orange-red color. The clouds act as a reflective canvas, scattering and softening the light into a powdery gradient of pink and apricot, and the mist that lingers around the mountain tops scatters the light further. This image was captured by the camera and created this beautiful painting. 

这张照片拍摄于2025年2月11日的瑞士，我将其命名为《光之幔》。从米兰驱车前往圣莫里茨的途中，我遇见了这场由光线色彩散射造就的绝美景象。画面中的山脉是阿尔卑斯山脉的著名山峰之一。傍晚时分，当落日的余晖穿过云层洒在积雪的山巅，金粉色的光芒在天际蔓延——这是阳光与地球大气中的分子及微小粒子相互作用的结果。

当太阳光进入大气层时，会遭遇波长远小于可见光的微粒。这使得波长较短的蓝光与紫光向四面八方散射，而波长较长的红光与橙光则继续向前传播。这种现象在日落时分尤为显著：蓝紫光被散射后，只剩下红、橙、粉等较长波长的光能穿透大气。因此，覆雪的山峦也被染上这般橘红色彩。

流云如同反射光的画布，将光线散射柔化成粉雾与杏色交织的渐变效果，而萦绕在山顶的薄雾则让光线产生二次散射。相机捕捉到这一刻，最终缔造出这幅绝美的自然画卷。